C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 7/02 (2006.01)
Patent
CA 2754511
A pressure-sensitive adhesive sheet 1 is a laminate of a base material 11, a pressure-sensitive adhesive layer 12 and a release material 13, and has a plurality of through-holes 2 passing through from a surface of the base material 1A to a pressure-sensitive adhesive face 1B. The base material 11 comprises a resin composition that contains 65 to 98 wt% of a polyolefin based resin (A) and 2.0 to 35 wt% of a pigment (B). In such a pressure-sensitive adhesive sheet 1, air entrapments and blisters can be prevented or removed by way of the through-holes. Also, expansion of the inner diameter of the through-holes is suppressed, and thereby the pressure- sensitive adhesive sheet has good appearance.
Cette invention concerne une feuille d'adhésif autocollant (1) qui est obtenue en superposant une base (11), une couche d'adhésif autocollant (12) et un agent antiadhérent (13), et qui comporte plusieurs orifices (2) partant de la surface de la base (1A) et progressant jusqu'à la surface de l'adhésif (1B). La base (11) est constituée d'une composition de résine comportant de 65 à 98 % en masse de résine polyoléfinique (A) et de 2,0 à 35 % en masse d'un pigment (B). Cette feuille d'adhésif autocollant (1) évite la formation de bulles d'air ou de cloques ou les élimine au moyen des orifices, et le diamètre interne des orifices ne peut pas augmenter. La feuille obtenue est esthétique.
Morioka Takashi
Taya Naoki
Fetherstonhaugh & Co.
Lintec Corporation
LandOfFree
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